@book{7407,
	author = {Hogg, Robert V.  and McKean, Joeseph W. ,  and  Craig, Allen T.},
	title = {Introduction to mathematical statistics. /},
	publisher = {Pearson Education, },
	year = {2014.},
	address = {Boston, Mass.: },
	edition = {7th ed. (Pearson new international ed.)}
}